The Garmin Navionics+ U.S.
West Charts contains detailed coverage of the lakes, rivers and coasts of Arizona, California, Colorado, Idaho, Montana, Nevada, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming, Hawaii, and the Johnston and Palmyra Atolls. West - Inland & Coastal Marine Charts Navionics+™ | NSUS008R | MicroSD™/SD™ It has built-in Auto Guidance+ technology gives you a suggested dock-to-dock path to follow through channels, inlets, marina entrances and more.